Changeset 734ceb3e


Ignore:
Timestamp:
Feb 28, 2019, 1:36:19 PM (3 years ago)
Author:
Peter A. Buhr <pabuhr@…>
Branches:
aaron-thesis, arm-eh, cleanup-dtors, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, persistent-indexer
Children:
be30a90, f56c32e
Parents:
fd9ae1d
Message:

print error message rather than fail when taking address of non-lvalue expression [fixes #123]

File:
1 edited

Legend:

Unmodified
Added
Removed
  • src/SynTree/AddressExpr.cc

    rfd9ae1d r734ceb3e  
    99// Author           : Richard C. Bilson
    1010// Created On       : Sun May 17 23:54:44 2015
    11 // Last Modified By : Rob Schluntz
    12 // Last Modified On : Tue Apr 26 12:35:13 2016
    13 // Update Count     : 6
     11// Last Modified By : Peter A. Buhr
     12// Last Modified On : Thu Feb 28 13:13:38 2019
     13// Update Count     : 10
    1414//
    1515
     
    4747                } else {
    4848                        // taking address of non-lvalue -- must be a reference, loses one layer of reference
    49                         ReferenceType * refType = strict_dynamic_cast< ReferenceType * >( arg->result );
    50                         set_result( addrType( refType->base ) );
     49                        if ( ReferenceType * refType = dynamic_cast< ReferenceType * >( arg->result ) ) {
     50                                set_result( addrType( refType->base ) );
     51                        } else {
     52                                SemanticError( arg->result, "Attempt to take address of non-lvalue expression: " );
     53                        } // if
    5154                }
    5255                // result of & is never an lvalue
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